Upgrade your factory fuel system with this high-flow 1/4" stainless braided return line kit, engineered to replace the restrictive OEM hard metal lines. This kit improves fuel delivery, enhances reliability, and reduces the risk of leaks commonly associated with aging factory components.
Features
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Direct upgrade for 1999–2003 Ford 7.3L Powerstroke
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Replaces restrictive factory hard lines
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Durable stainless braided hose construction
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Improved fuel flow to both left and right cylinder heads
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Designed for long service life and resistance to abrasion and heat
Fits 1999–2003 Ford 7.3L Powerstroke Diesel Engines
Important Installation Note
⚠️ Do NOT overtighten the 90° fitting that threads into the fuel filter housing.
Overtightening will damage or crack the fuel filter bowl, leading to leaks or failure. Tighten only until snug and verify alignment before final installation.
MADE IN THE USA!
1 YEAR WARRANTY
